Cheapest return flights from Houston to Istanbul in May from $673

AirHint found the following cheapest return flights from Houston (HOU) to Istanbul (IST) in May 2026 (see full year).

Return flights

05 May - 19 May Air Canada
18 May - 30 May British Airways
13 May - 22 May Austrian Airlines
11 May - 25 May KLM
08 May - 22 May Air France
05 May - 19 May Turkish Airlines direct
24 May - 09 Jun Air Canada
08 May - 22 May Turkish Airlines direct
26 May - 29 May KLM
26 May - 30 May KLM
31 May - 07 Jun British Airways
24 May - 08 Jun Air France
21 May - 08 Jun British Airways
24 May - 15 Jun Air Canada
11 May - 25 May Turkish Airlines direct
28 May - 11 Jun KLM
28 May - 07 Jun British Airways
28 May - 11 Jun Turkish Airlines direct
31 May - 07 Jun Turkish Airlines direct
21 May - 08 Jun Turkish Airlines direct

Also check the deals for one-way flights from Houston to Istanbul in May.

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